<template>
  <div>
    <el-card class="main-card">
      <el-row>
        <el-col :span="9">
          <el-input
            placeholder="请输入权限名称或权限关键字"
            clearable
            v-model="queryInfo.queryString"
            @clear="findPage"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="findPage"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="2">
          <el-button
            @click="insert"
            style="margin-left: 10px"
            v-has-permission="['PER_INSERT']"
            type="primary"
            >添加权限</el-button
          >
        </el-col>
      </el-row>
      <el-table
        :data="tableList"
        stripe
        border
        highlight-current-row
        v-loading="loading"
        element-loading-text="拼命加载中"
        element-loading-spinner="el-icon-loading"
        max-height="450"
      >
        <el-table-column type="index" label="序号" width="80">
        </el-table-column>
        <el-table-column prop="label" label="权限名称" width="180">
        </el-table-column>
        <el-table-column prop="value" label="权限数据"> </el-table-column>
        <el-table-column label="启用状态" v-has-permission="['PER_UPDATE']">
          <template slot-scope="scope">
            <el-switch
              @change="updateStatus(scope.row)"
              v-model="scope.row.status"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column fixed="right" label="操作" width="120">
          <template slot-scope="scope">
            <el-button
              @click="updateById(scope.row)"
              type="primary"
              v-has-permission="['PER_UPDATE']"
              icon="el-icon-edit"
              size="small"
            ></el-button>
            <el-button
              type="danger"
              @click="deleteById(scope.row.id)"
              v-has-permission="['PER_DELETE']"
              icon="el-icon-delete"
              size="small"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class="block">
        <el-pagination
          @size-change="handlePageSize"
          @current-change="handlePageNumber"
          background
          :current-page="queryInfo.pageNumber"
          :page-sizes="[8, 16, 32, 64, 128]"
          :page-size="queryInfo.pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
        >
        </el-pagination>
      </div>
    </el-card>
    <!-- 表单添加/修改 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      @close="dialogClose"
      width="35%"
    >
      <el-form :model="form" :rules="rules" ref="form">
        <el-form-item label="权限标签" prop="label">
          <el-input v-model="form.label" />
        </el-form-item>
        <el-form-item label="权限标签值" prop="value">
          <el-input v-model="form.value" />
        </el-form-item>
        <el-form-item label="是否启用" prop="status">
          <el-radio-group v-model="form.status" class="status-class">
            <el-radio border :label="true">是</el-radio>
            <el-radio border :label="false">否</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="clickCancel">取 消</el-button>
        <el-button type="primary" @click="clickOk">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 分页查询条件
      queryInfo: {
        // 页码
        pageNumber: 1,
        // 页数
        pageSize: 8,
        // 关键字
        queryString: null,
      },
      // 表格数据
      tableList: [],
      // 总记录数
      total: 0,
      // 表单标题
      title: null,
      // 是否打开对话框
      // 表格加载
      loading: false,
      open: false,
      // 表单数据
      form: {},
      // 表单校验
      rules: {
        label: [
          { required: true, message: "请输入权限标签名称", trigger: "blur" },
          {
            min: 1,
            max: 50,
            message: "权限标签的长1 到 50 个字符",
            trigger: "blur",
          },
        ],
        value: [
          { required: true, message: "请输入权限标签值", trigger: "blur" },
          {
            min: 1,
            max: 20,
            message: "权限标签的长1 到 20 个字符",
            trigger: "blur",
          },
        ],
        status: [
          { required: true, message: "请选择启用状态", trigger: "change" },
        ],
      },
    };
  },
  /* 页面初始化调用方法 */
  created() {
    this.findPage();
  },
  methods: {
    /** 分页查询 */
    findPage() {
      this.loading = true;
      this.$ajax.post("/Permission/findPage", this.queryInfo).then((res) => {
        this.loading = false;
        this.tableList = res.data.rows;
        this.total = res.data.total;
      });
    },
    /** 页面大小改变事件 */
    handlePageSize(newPageSize) {
      this.queryInfo.pageSize = newPageSize;
      this.findPage();
    },
    /** 页面改变事件 */
    handlePageNumber(newPageNumber) {
      // 将分页参数新数据传递给pageNumber(分页参数)
      this.queryInfo.pageNumber = newPageNumber;
      this.findPage();
    },
    /** 修改权限信息 */
    insert() {
      this.title = "新增权限";
      this.open = true;
    },
    /** 修改权限信息 */
    updateById(row) {
      console.log(row);
      this.form = row;
      this.title = "修改权限";
      this.open = true;
    },
    /** 删除权限信息 */
    deleteById(id) {
      this.$confirm(
        "您的操作将永久删除编号为{" + id + "}的数据, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(() => {
          // 调后台退出接口
          this.$ajax.delete(`/Permission/delete/${id}`).then((res) => {
            this.$message.success(res.data.message);
            this.queryInfo.pageNumber = 1;
            this.findPage();
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消",
          });
        });
    },
    /** 关闭对话框事件 */
    dialogClose() {
      // 将表单进行重置，并移除校验效果
      this.$refs.form.resetFields();
    },
    /** 点击取消 */
    clickCancel() {
      // 将表单进行重置，并移除校验效果
      this.form = {};
      this.open = false;
      this.findPage();
    },
    /** 点击确定 */
    clickOk() {
      // 进行表单校验
      this.$refs.form.validate((valid) => {
        // 校验不通过
        if (!valid) {
          return this.$message.error("表单校验失败,请检查后提交！");
        }
        console.log("this.form.id", this.form.id);
        // 校验通过
        if (this.form.id === undefined || this.form.id === null) {
          this.$ajax.post("/Permission/insert/", this.form).then((res) => {
            this.$message.success(res.data.message);
            this.open = false;
            this.findPage();
          });
        } else {
          this.$ajax.put("/Permission/update/", this.form).then((res) => {
            this.$message.success(res.data.message);
            this.open = false;
            this.findPage();
          });
        }
      });
    },
    /** 改变权限状态 */
    updateStatus(row) {
      this.$ajax.put("/Permission/update/", row).then((res) => {
        this.$message.success("状态更新成功!");
      });
    },
  },
};
</script>

<style scoped>
.status-class {
  margin-left: -30%;
}
</style>
